chirp: chirp (free, open-source tool for programming your amateur radio) chirp: chirp: CHIRP is a free, open-source tool for programming your amateur radio. chirp: It supports a large number of manufacturers and models, as well as chirp: provides a way to interface with multiple data sources and formats. chirp: chirp: Homepage: https://chirp.danplanet.com/projects/chirp/wiki/Home chirp: chirp: chirp: chirp: